@article{ETNA_2002__14__a5, author = {Mastroianni, G.}, title = {Polynomial inequalities, functional spaces and best approximation on the real semiaxis with {Laguerre} weights}, journal = {Electronic transactions on numerical analysis}, pages = {142--151}, year = {2002}, volume = {14}, zbl = {1036.41007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ETNA_2002__14__a5/} }